InChI=1/C14H8N2O3S/c15-5-9-12(18)11-10(6-20-14(11)16-13(9)19)7-2-1-3-8(17)4-7/h1-4,17-18H,6H2/p-1/fC14H7N2O3S/h18h/q-1 826BC59331597BB6